20th March 2017, 14:00
Yes, pulseaudio is installed and running:
> dpkg -l | grep pulseaudio
ii gstreamer1.0-pulseaudio:amd64 1.8.3-1ubuntu0.3 amd64 GStreamer plugin for PulseAudio
ii pulseaudio 1:8.0-0ubuntu3.2 amd64 PulseAudio sound server
ii pulseaudio-module-bluetooth 1:8.0-0ubuntu3.2 amd64 Bluetooth module for PulseAudio sound server
ii pulseaudio-module-gconf 1:8.0-0ubuntu3.2 amd64 GConf module for PulseAudio sound server
ii pulseaudio-module-x11 1:8.0-0ubuntu3.2 amd64 X11 module for PulseAudio sound server
ii pulseaudio-utils 1:8.0-0ubuntu3.2 amd64 Command line tools for the PulseAudio sound server
> ps -lax | grep pulseaudio
1 1000 2500 1 9 -11 667836 13808 poll_s S<l ? 0:36 /usr/bin/pulseaudio --start --log-target=syslog
0 1000 2951 2500 20 0 101376 4184 poll_s S ? 0:00 /usr/lib/pulseaudio/pulse/gconf-helper
0 1000 7050 2700 20 0 14232 936 pipe_w S+ pts/1 0:00 grep --color=auto pulseaudio
> dpkg -l | grep pulseaudio
ii gstreamer1.0-pulseaudio:amd64 1.8.3-1ubuntu0.3 amd64 GStreamer plugin for PulseAudio
ii pulseaudio 1:8.0-0ubuntu3.2 amd64 PulseAudio sound server
ii pulseaudio-module-bluetooth 1:8.0-0ubuntu3.2 amd64 Bluetooth module for PulseAudio sound server
ii pulseaudio-module-gconf 1:8.0-0ubuntu3.2 amd64 GConf module for PulseAudio sound server
ii pulseaudio-module-x11 1:8.0-0ubuntu3.2 amd64 X11 module for PulseAudio sound server
ii pulseaudio-utils 1:8.0-0ubuntu3.2 amd64 Command line tools for the PulseAudio sound server
> ps -lax | grep pulseaudio
1 1000 2500 1 9 -11 667836 13808 poll_s S<l ? 0:36 /usr/bin/pulseaudio --start --log-target=syslog
0 1000 2951 2500 20 0 101376 4184 poll_s S ? 0:00 /usr/lib/pulseaudio/pulse/gconf-helper
0 1000 7050 2700 20 0 14232 936 pipe_w S+ pts/1 0:00 grep --color=auto pulseaudio